diff options
Diffstat (limited to 'arch/arm/mach-uniphier/boards.c')
-rw-r--r-- | arch/arm/mach-uniphier/boards.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/boards.c b/arch/arm/mach-uniphier/boards.c new file mode 100644 index 0000000000..6a5ea2e585 --- /dev/null +++ b/arch/arm/mach-uniphier/boards.c @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <libfdt.h> +#include <linux/kernel.h> +#include <mach/init.h> + +#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD3) +static const struct uniphier_board_data ph1_sld3_data = { + .dram_ch0_base = 0x80000000, + .dram_ch0_size = 0x20000000, + .dram_ch0_width = 32, + .dram_ch1_base = 0xc0000000, + .dram_ch1_size = 0x20000000, + .dram_ch1_width = 16, + .dram_ch2_base = 0xc0000000, + .dram_ch2_size = 0x10000000, + .dram_ch2_width = 16, + .dram_freq = 1600, +}; +#endif + +#if defined(CONFIG_ARCH_UNIPHIER_PH1_LD4) +static const struct uniphier_board_data ph1_ld4_data = { + .dram_ch0_base = 0x80000000, + .dram_ch0_size = 0x10000000, + .dram_ch0_width = 16, + .dram_ch1_base = 0x90000000, + .dram_ch1_size = 0x10000000, + .dram_ch1_width = 16, + .dram_freq = 1600, +}; +#endif + +#if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO4) +static const struct uniphier_board_data ph1_pro4_data = { + .dram_ch0_base = 0x80000000, + .dram_ch0_size = 0x20000000, + .dram_ch0_width = 32, + .dram_ch1_base = 0xa0000000, + .dram_ch1_size = 0x20000000, + .dram_ch1_width = 32, + .dram_freq = 1600, +}; +#endif + +#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD8) +static const struct uniphier_board_data ph1_sld8_data = { + .dram_ch0_base = 0x80000000, + .dram_ch0_size = 0x10000000, + .dram_ch0_width = 16, + .dram_ch1_base = 0x90000000, + .dram_ch1_size = 0x10000000, + .dram_ch1_width = 16, + .dram_freq = 1333, +}; +#endif + +struct uniphier_board_id { + const char *compatible; + const struct uniphier_board_data *param; +}; + +static const struct uniphier_board_id uniphier_boards[] = { +#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD3) + { "socionext,ph1-sld3", &ph1_sld3_data, }, +#endif +#if defined(CONFIG_ARCH_UNIPHIER_PH1_LD4) + { "socionext,ph1-ld4", &ph1_ld4_data, }, +#endif +#if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO4) + { "socionext,ph1-pro4", &ph1_pro4_data, }, +#endif +#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD8) + { "socionext,ph1-sld8", &ph1_sld8_data, }, +#endif +}; + +const struct uniphier_board_data *uniphier_get_board_param(const void *fdt) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(uniphier_boards); i++) { + if (!fdt_node_check_compatible(fdt, 0, + uniphier_boards[i].compatible)) + return uniphier_boards[i].param; + } + + return NULL; +} |